题目内容：

【一道选择】The air in mall isn't as fresh as_____in the park
The air in mall isn't as fresh as_____in the park.
A.he B.it C.that D.this
B.C.D有什么区别吗?

优质解答

选Cit 原来的事物 ,同一事物：The air in mall isn't as fresh as(_____was) before.that 同类不同物:The air in mall isn't as fresh as_____in the park.this 这个:this is more likely than that...